asyncrat | 526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed

General

Target

526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe
Size

10.0MB
MD5

98a06726419d6f57c0d9b0835522d920
SHA1

cf0ec3810ef0f1e79d25b8e28ab04595ca7371dd
SHA256

526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed
SHA512

a81d839cbb6614013f1e49b5430a4bde6369599f3545272877ee574b49975d37dbe7bb6ad893c4a91ed5bfce684454dcbda145b63fdea5d9e4379bba0196ea18
SSDEEP

24576:LgavIUE8hYhJBZVrqMg/ngUsx6Er3v7Wm0DbxwLxvPjqT9Q0X7xxErhccu:LLvzhY3RrqMgoUkr3v7WvDbY1YQw2F

Score

10^/10

asyncrat 0000028-ago discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

0000028-AGO

C2

rolandgarros.dynuddns.net:22207

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\VMWareTools = "C:\\Users\\Admin\\Pictures\\VMWare\\VMWareTools.exe"	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31
PID 2068 wrote to memory of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31
PID 2068 wrote to memory of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31
PID 2068 wrote to memory of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31
PID 2068 wrote to memory of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31
PID 2068 wrote to memory of 1916	2068	526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe	31

C:\Users\Admin\AppData\Local\Temp\526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe
"C:\Users\Admin\AppData\Local\Temp\526ea33289356c0ed440ed74337e50e4fc6ce2dae41032cacd5e2a8228d657ed.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab428.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1916-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1916-38-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-37-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/1916-19-0x0000000074A60000-0x000000007514E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-18-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/1916-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/1916-7-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/1916-14-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/1916-12-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2068-4-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2068-17-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2068-16-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2068-3-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2068-1-0x000000000041E000-0x0000000000437000-memory.dmp

Filesize
100KB

Download
memory/2068-20-0x000000000041E000-0x0000000000437000-memory.dmp

Filesize
100KB

Download
memory/2068-6-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2068-5-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download
memory/2068-0-0x0000000000400000-0x0000000000696000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads